NL170898B - Magnetoweerstand-kop. - Google Patents
Magnetoweerstand-kop.Info
- Publication number
- NL170898B NL170898B NLAANVRAGE7504396,B NL170898DB NL170898B NL 170898 B NL170898 B NL 170898B NL 170898D B NL170898D B NL 170898DB NL 170898 B NL170898 B NL 170898B
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetow
- resistance cup
- cup
- resistance
- magnetow resistance
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/405—Acylated polyalkylene polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/461—Quaternised amin-amides from polyamines or heterocyclic compounds or polyamino-acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/286—Esters of polymerised unsaturated acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/404—Fatty vegetable or animal oils obtained from genetically modified species
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
- C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/17—Electric or magnetic purposes for electric contacts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/46—Textile oils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/15—Antistatic agents not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/15—Antistatic agents not otherwise provided for
- Y10S260/19—Non-high polymeric antistatic agents/n
- Y10S260/20—Antistatic agent contains pentavalent nitrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
- Y10T442/2459—Nitrogen containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
- Y10T442/2885—Coated or impregnated acrylic fiber fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US242433A US2626876A (en) | 1951-08-17 | 1951-08-17 | Antistatic treatment of articles comprising a vinyl resin and treated articles |
Publications (1)
Publication Number | Publication Date |
---|---|
NL170898B true NL170898B (nl) | 1900-01-01 |
Family
ID=22914766
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7504396,B NL170898B (nl) | 1951-08-17 | Magnetoweerstand-kop. | |
NL78049D NL78049C (xx) | 1951-08-17 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL78049D NL78049C (xx) | 1951-08-17 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2626876A (xx) |
BE (1) | BE512733A (xx) |
DE (1) | DE1031270B (xx) |
FR (1) | FR1065532A (xx) |
GB (1) | GB723580A (xx) |
NL (2) | NL78049C (xx) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2850509A (en) * | 1958-09-02 | Diketo-io | ||
US2806804A (en) * | 1952-12-29 | 1957-09-17 | Drew & Co Inc E F | Method of treating wool |
US2897170A (en) * | 1954-04-09 | 1959-07-28 | American Cyanamid Co | Antistatic treatment with a quaternary ammonium compound containing a polyetheneoxy grouping and products thereof |
US2836517A (en) * | 1954-04-09 | 1958-05-27 | American Cyanamid Co | Treatment of materials to impart antistatic properties and products |
US2891878A (en) * | 1955-04-11 | 1959-06-23 | American Cyanamid Co | Antistatic polymeric coatings |
US2832698A (en) * | 1956-04-30 | 1958-04-29 | Dow Chemical Co | Method for destaticizing polymeric substances and articles thereby obtained |
US2832699A (en) * | 1956-04-30 | 1958-04-29 | Dow Chemical Co | Method for destaticizing polyethylene and articles thereby obtained |
US2832697A (en) * | 1956-04-30 | 1958-04-29 | Dow Chemical Co | Method for applying antistatic agents to polymeric substances and destaticized articles thereby obtained |
US2832696A (en) * | 1956-04-30 | 1958-04-29 | Dow Chemical Co | Method for applying antistatic agents to polyethylene and destaticized polyethylene articles thereby obtained |
US3042639A (en) * | 1956-06-11 | 1962-07-03 | Reeves Soundcraft Corp | Magnetic iron oxide coating compositions for recording tape |
US2886423A (en) * | 1956-07-09 | 1959-05-12 | American Cyanamid Co | Hydrocarbon fuels containing betaine antifreeze compositions |
BE578752A (xx) * | 1958-05-21 | |||
BE591884A (xx) * | 1959-06-16 | |||
US3048539A (en) * | 1959-06-29 | 1962-08-07 | American Cyanamid Co | Antistatic textile lubricant finishes |
US3072494A (en) * | 1959-09-09 | 1963-01-08 | American Cyanamid Co | Calcium sulfate plasters containing stearamidopropyldimethyl-beta-hydroxyethylammonium salts |
US3062630A (en) * | 1960-03-23 | 1962-11-06 | Exxon Research Engineering Co | Antistatic additives |
GB907973A (en) * | 1960-06-07 | 1962-10-10 | Ici Ltd | Polymerisation process |
NL274526A (xx) * | 1961-02-08 | 1900-01-01 | ||
US3161594A (en) * | 1961-07-14 | 1964-12-15 | Eastman Kodak Co | Textile lubricant composition |
BE624404A (xx) * | 1961-11-06 | |||
US3230058A (en) * | 1961-11-20 | 1966-01-18 | Phillips Petroleum Co | Additive for hydrocarbon fuels |
US3322621A (en) * | 1962-01-16 | 1967-05-30 | Hollichem Corp | Thixotropic quaternary ammonium aromatic cyclic imides |
US3133072A (en) * | 1962-01-16 | 1964-05-12 | Hollichem Corp | Quaternary ammonium cyclic imides |
GB1003096A (en) * | 1962-05-31 | 1965-09-02 | Nihon Yushi Kabushiki Kaisha | Quaternary ammonium salts of perhalic acids |
NL296787A (xx) * | 1962-08-28 | 1900-01-01 | ||
NL300694A (xx) * | 1962-11-19 | |||
US3404138A (en) * | 1963-11-27 | 1968-10-01 | American Cyanamid Co | Antistatic polyvinylchloride composition |
US3324091A (en) * | 1964-03-31 | 1967-06-06 | American Cyanamid Co | Antistatic composition |
US3347362A (en) * | 1964-09-28 | 1967-10-17 | Minnesota Mining & Mfg | Pressure sensitive adhesive tapes with anti-static edge coatings |
US3272648A (en) * | 1965-10-04 | 1966-09-13 | Nippon Oils & Fats Co Ltd | Antistatic treatment with a quaternary ammonium perhalogenate and products thereof |
US3454625A (en) * | 1967-04-03 | 1969-07-08 | Gaf Corp | Novel quaternary ammonium carbamate antistatic agents |
US4091165A (en) * | 1971-07-01 | 1978-05-23 | Mitsubishi Petrochemical Co., Ltd. | Surface processing copolymer for synthetic papers |
US4323634A (en) * | 1975-07-09 | 1982-04-06 | Eastman Kodak Company | Electrographic toner and developer composition containing quaternary ammonium salt charge control agent |
US4012398A (en) * | 1975-09-16 | 1977-03-15 | Van Dyk & Company, Incorporated | Quaternary halides of mink oil amides |
US4168302A (en) * | 1976-03-29 | 1979-09-18 | The Richardson Company | Hair conditioning compositions containing a non-irritating cationic surfactant |
US4145327A (en) * | 1978-01-05 | 1979-03-20 | The Firestone Tire & Rubber Company | Pressure-sensitive antistatic adhesive and process for the preparation thereof using an aqueous latex copolymer and a quaternary ammonium salt |
US4313978A (en) * | 1978-12-20 | 1982-02-02 | Minnesota Mining And Manufacturing Company | Antistatic compositions and treatment |
JPS57112410A (en) * | 1980-12-27 | 1982-07-13 | Toho Rayon Co Ltd | Acrylonitrile fiber and its production |
US4510187A (en) * | 1981-05-18 | 1985-04-09 | Irwin Rowe | Method for conditioning phonograph records |
US4743476A (en) * | 1985-05-28 | 1988-05-10 | Miller Jack V | Method for producing thermoplastic articles having anti-static armor |
US5073425A (en) * | 1988-10-07 | 1991-12-17 | Armstrong World Industries, Inc. | Polyvinyl chloride surface covering compositions having reduced electrical resistivities |
US5525261A (en) * | 1994-10-18 | 1996-06-11 | Henkel Corporation | Anti-static composition and method of making the same |
KR101658262B1 (ko) | 2009-05-12 | 2016-09-22 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 정밀한 페인트 선을 생성하기 위한 마스킹 용품 및 마스킹 용품의 페인트 선 성능을 향상시키는 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH201505A (de) * | 1937-06-03 | 1938-11-30 | Geigy Ag J R | Verfahren zur Darstellung eines quaternären Aminobenzylacylamins. |
CH201507A (de) * | 1937-06-03 | 1938-11-30 | Geigy Ag J R | Verfahren zur Darstellung eines quaternären Aminobenzylacylamins. |
CH201506A (de) * | 1937-06-03 | 1938-11-30 | Geigy Ag J R | Verfahren zur Darstellung eines quaternären Aminobenzylacylamins. |
CH201508A (de) * | 1937-06-03 | 1938-11-30 | Geigy Ag J R | Verfahren zur Darstellung eines quaternären Aminobenzylacylamins. |
US2459062A (en) * | 1944-02-08 | 1949-01-11 | American Cyanamid Co | Quaternary ammonium compounds |
GB607088A (en) * | 1946-01-25 | 1948-08-25 | Horace Finningley Oxley | Textile dressing materials |
US2463282A (en) * | 1946-03-12 | 1949-03-01 | Du Pont | Coating composition containing antistatic agent |
US2581836A (en) * | 1948-12-30 | 1952-01-08 | American Cyanamid Co | Antistatic treatment of articles comprising vinyl resins and treated articles |
-
0
- NL NLAANVRAGE7504396,B patent/NL170898B/xx unknown
- BE BE512733D patent/BE512733A/xx unknown
- NL NL78049D patent/NL78049C/xx active
-
1951
- 1951-08-17 US US242433A patent/US2626876A/en not_active Expired - Lifetime
-
1952
- 1952-07-02 GB GB16646/52A patent/GB723580A/en not_active Expired
- 1952-07-07 DE DEA16146A patent/DE1031270B/de active Pending
- 1952-07-09 FR FR1065532D patent/FR1065532A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2626876A (en) | 1953-01-27 |
FR1065532A (fr) | 1954-05-26 |
DE1031270B (de) | 1958-06-04 |
NL78049C (xx) | 1900-01-01 |
GB723580A (en) | 1955-02-09 |
BE512733A (xx) | 1900-01-01 |
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